<template>
	<div class="list" ref="wrapper">
		<div>
				<div class="area">
		<div class="title border-topbottom">当前城市</div>
			<div class="button-list">
				<div class="button-wrapper">
						<div class="button">广州</div>
				</div>
			</div>
	</div>
	<div class="area">
		<div class="title border-topbottom">热门城市</div>
			<div class="button-list">
				<div class="button-wrapper" v-for="item of hot" :key="item.id">
						<div class="button">{{item.name}}</div>
				</div>
			</div>
	</div>
	<div class="area" v-for ="(item,key) of cities" :key="key" :ref="key">
		<div class="title border-topbottom">{{key}}</div>	
			<div class="item-list">
				<div class="item border-bottom" v-for="innerItem of item" :key="innerItem.id">
					{{innerItem.name}}
				</div>	
			</div>
	
		</div>
		</div>

	</div>
</template>

<script >
	import Bscroll from 'better-scroll'
	export default {
		name:'CityList',
		props:{
				hot:Array,
				cities:Object,
				letter:String
		},
		mounted () {
			this.scroll = new Bscroll(this.$refs.wrapper)
		},
		watch:{
			letter (){

				if (this.letter){
						const element = this.$refs[this.letter][0]
						this.scroll.scrollToElement(element)
				}
			}
		}
	}
</script>

<style lang="stylus" scoped>
	@import	'../../../assets/varibles.styl'
	.border-topbottom
		&:before
			border-color:#ccc
		&:after
			border-color:#ccc
	.border-bottom
		&:before
			border-color:#ccc
	.list
		overflow:hidden
		position:absolute
		top:1.58rem
		left:0
		right:0
		bottom:0
		.title
		 	line-height:.54rem 
			 padding-left:.2rem
			 color:#666
			 font-size:.26rem
		.button-list
			overflow:hidden
			padding:.1rem	.6rem	.1rem	.1rem
			.button-wrapper
				float:left
				width:33.3%
				.button
					margin:.1rem
					padding:.1rem	0
					text-align:center			
					border:.02rem solid #ccc
					border-radius:.06rem
		.item-list
			.item
				line-height:.76rem
				padding-left:.2rem


</style>